@Bram Desete, you can invoke "geolookup" api and see it yourself. The distance_km and distance_mi are present for each of the personal weather station.
http://api.wunderground.com/api/API_K...
Ex:{
"neighborhood":"OHDOT 82-IR77 MM 36",
"city":"Buffalo",
"state":"OH",
"country":"US",
"id":"MOH074",
"distance_km":41,
"distance_mi":24
}